Hydrothermal vents and circulation are usually associated with ___________.

A nor’easter is similar to a hurricane in that both systems __________.

Estuaries formed __________.

Hot spots are associated with __________.

Coastlines in passive continental margins may be characterized by ___________.

If you are swimming and become caught in a rip current, the best way to escape is to __________.

Earth’s greenhouse effect is primarily the consequence of atmospheric __________.

Ice is less dense than water because __________.

Latent heat is ____________.

Where a decrease in temperature with depth is responsible for the density increase with depth, the pycnocline is also a ___________.